which of the following represents a hypothesis? question 22 options: a) water is a liquid at room temperature. b) argon gas is a fairly inert substance. c) sodium reacts with water to form sodium hydroxide and hydrogen gas. d) when a substance combusts, it combines with air. e) when paper burns, heat is given off.

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21-11-2022
Chemistry

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which of the following represents a hypothesis? question 22 options: a) water is a liquid at room temperature. b) argon gas is a fairly inert substance. c) sodium reacts with water to form sodium hydroxide and hydrogen gas. d) when a substance combusts, it combines with air. e) when paper burns, heat is given off.

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trishlasehgal9 trishlasehgal9 · Answer 1 · 2022-11-29T10:11:49+01:00

To solve such this we must know the concept of double displacement reaction. Therefore the correct option is option D that is when a substance combusts, it combines with air.

What is chemical reaction?

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

When a substance combusts, it combines with air. This statement is hypothesis as during combustion, substance combine with oxygen gas not with every gases.

Therefore the correct option is option D.

Learn more about the chemical reactions, here:

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